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7.15.5 Engine coolant pump – Relief bore check
DANGER
Unguarded rotating and moving engine components.
Risk of serious injury – danger to life!
• Take special care when working on a running engine.
WARNING
Engine noise above 85 dB (A).
Risk of damage to hearing!
• Wear ear protectors.
Engine coolant pump – Relief bore
check
1.
Check relief bore for oil and coolant dis‐
charge.
2.
Shut down engine (→ Page 35) and disable
engine start, observe general safety instruc‐
tions "Maintenance and Repair".
3.
Clean the relief bore with a wire if it is dirty.
• Permissible coolant discharge: up to 10
drops per hour;
• Permissible oil discharge: up to 5 drops
per hour.
4.
If discharge exceeds the specified limits:
Contact Service.
MS150054/02E 2012-02 | Task Description | 123
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